FR2388643A1 - Procede et appareil de serrage d'un ecrou - Google Patents
Procede et appareil de serrage d'un ecrouInfo
- Publication number
- FR2388643A1 FR2388643A1 FR7712766A FR7712766A FR2388643A1 FR 2388643 A1 FR2388643 A1 FR 2388643A1 FR 7712766 A FR7712766 A FR 7712766A FR 7712766 A FR7712766 A FR 7712766A FR 2388643 A1 FR2388643 A1 FR 2388643A1
- Authority
- FR
- France
- Prior art keywords
- nut
- distance
- assembly system
- bolt assembly
- tightening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
L'invention concerne l'obtention de conditions de serrage prédéterminées pour un ensemble boulon-écrou. Le dispositif de l'invention est destiné à être utilisé avec un écrou 14 possédant un rebord 16 dans lequel se manifeste une déformation plastique au moment de l'obtention de conditions de serrage prédéterminées. Le dispositif 13 comporte un mécanisme qui actionne un minirupteur 41 et fournit un signal en réponse à cette déformation. Application à la construction mécanique.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7712766A FR2388643A1 (fr) | 1977-04-27 | 1977-04-27 | Procede et appareil de serrage d'un ecrou |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7712766A FR2388643A1 (fr) | 1977-04-27 | 1977-04-27 | Procede et appareil de serrage d'un ecrou |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2388643A1 true FR2388643A1 (fr) | 1978-11-24 |
Family
ID=9189999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7712766A Withdrawn FR2388643A1 (fr) | 1977-04-27 | 1977-04-27 | Procede et appareil de serrage d'un ecrou |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2388643A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB961621A (en) * | 1962-04-05 | 1964-06-24 | Btr Industries Ltd | Spanners for use with strain-indicating means |
US3138987A (en) * | 1961-08-07 | 1964-06-30 | Hi Shear Corp | Fasteners |
FR2047304A5 (fr) * | 1969-05-06 | 1971-03-12 | Cooper Ind Inc | |
US3969960A (en) * | 1974-05-13 | 1976-07-20 | Dominick A Pagano | Method and apparatus for tightening a bolt to exert a predetermined tension force by monitoring bolt elongation while the bolt is being installed |
-
1977
- 1977-04-27 FR FR7712766A patent/FR2388643A1/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3138987A (en) * | 1961-08-07 | 1964-06-30 | Hi Shear Corp | Fasteners |
GB961621A (en) * | 1962-04-05 | 1964-06-24 | Btr Industries Ltd | Spanners for use with strain-indicating means |
FR2047304A5 (fr) * | 1969-05-06 | 1971-03-12 | Cooper Ind Inc | |
US3969960A (en) * | 1974-05-13 | 1976-07-20 | Dominick A Pagano | Method and apparatus for tightening a bolt to exert a predetermined tension force by monitoring bolt elongation while the bolt is being installed |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |